yaffs Add gc block counter

Extra stats for counting how many blocks get selected for gc.

Signed-off-by: Charles Manning <cdhmanning@gmail.com>

diff --git a/yaffs_fs.c b/yaffs_fs.c
index 7b55f1817e3eee43437d6db392acbd2cf18b3145..a372ddfcbd75ebbce1715a6596daf1e391239f16 100644 (file)
--- a/yaffs_fs.c
+++ b/yaffs_fs.c
@@ -3194,6 +3194,7 @@ static char *yaffs_dump_dev_part1(char *buf, yaffs_Device * dev)
        buf += sprintf(buf, "allGCs............. %u\n", dev->allGCs);
        buf += sprintf(buf, "passiveGCs......... %u\n", dev->passiveGCs);
        buf += sprintf(buf, "oldestDirtyGCs..... %u\n", dev->oldestDirtyGCs);
        buf += sprintf(buf, "allGCs............. %u\n", dev->allGCs);
        buf += sprintf(buf, "passiveGCs......... %u\n", dev->passiveGCs);
        buf += sprintf(buf, "oldestDirtyGCs..... %u\n", dev->oldestDirtyGCs);

+       buf += sprintf(buf, "nGCBlocks.......... %u\n", dev->nGCBlocks);

        buf += sprintf(buf, "backgroundGCs...... %u\n", dev->backgroundGCs);
        buf += sprintf(buf, "nRetriedWrites..... %u\n", dev->nRetriedWrites);
        buf += sprintf(buf, "nRetireBlocks...... %u\n", dev->nRetiredBlocks);
        buf += sprintf(buf, "backgroundGCs...... %u\n", dev->backgroundGCs);
        buf += sprintf(buf, "nRetriedWrites..... %u\n", dev->nRetriedWrites);
        buf += sprintf(buf, "nRetireBlocks...... %u\n", dev->nRetiredBlocks);

diff --git a/yaffs_guts.c b/yaffs_guts.c
index a1782e7a5177a4293058bc7061e5c46206521887..389a57ca79f25efb475ef3e1311f3e6e4ab3c8b5 100644 (file)
--- a/yaffs_guts.c
+++ b/yaffs_guts.c
@@ -2500,8 +2500,10 @@ static unsigned yaffs_FindBlockForGarbageCollection(yaffs_Device *dev,
                  dev->param.nChunksPerBlock - dev->gcPagesInUse,
                  prioritised));
 
                  dev->param.nChunksPerBlock - dev->gcPagesInUse,
                  prioritised));
 

+               dev->nGCBlocks++;

                if(background)
                        dev->backgroundGCs++;
                if(background)
                        dev->backgroundGCs++;

+

                dev->gcDirtiest = 0;
                dev->gcPagesInUse = 0;
                dev->gcNotDone = 0;
                dev->gcDirtiest = 0;
                dev->gcPagesInUse = 0;
                dev->gcNotDone = 0;

diff --git a/yaffs_guts.h b/yaffs_guts.h
index 6d4ae46a9d0b4d16890635a67c00e8be71ebb64a..f9b5ac192424b50a7ecda2509f35a14f05da867b 100644 (file)
--- a/yaffs_guts.h
+++ b/yaffs_guts.h
@@ -759,6 +759,7 @@ struct yaffs_DeviceStruct {
        __u32 allGCs;
        __u32 passiveGCs;
        __u32 oldestDirtyGCs;
        __u32 allGCs;
        __u32 passiveGCs;
        __u32 oldestDirtyGCs;

+       __u32 nGCBlocks;

        __u32 backgroundGCs;
        __u32 nRetriedWrites;
        __u32 nRetiredBlocks;
        __u32 backgroundGCs;
        __u32 nRetriedWrites;
        __u32 nRetiredBlocks;